MDEV-22746: Assertion `(&(&pagecache->cache_lock)->m_mutex)->count > 0 &&...

MDEV-22746: Assertion `(&(&pagecache->cache_lock)->m_mutex)->count > 0 && pthread_equal(pthread_self(), (&(&pagecache->cache_lock)->m_mutex)->thread)' failed in dec_counter_for_resize_op

Removed second attempt to decrease counter

storage/maria/ma_pagecache.c

@@ -3755,7 +3755,6 @@ uchar *pagecache_read(PAGECACHE *pagecache,
         unreg_request(pagecache, block, 1);
       dec_counter_for_resize_op(pagecache);
       pagecache_pthread_mutex_unlock(&pagecache->cache_lock);
-      dec_counter_for_resize_op(pagecache);
       DBUG_PRINT("info", ("restarting..."));
       goto restart;
     }